  1 package main
  2
  3 import (
  4     "fmt"
  5     "unsafe"
  6 )
  7
  8 const (
  9     a = "abc"
 10     b = len(a)
 11     c = unsafe.Sizeof(a)
 12 )
 13
 14 func main(){
 15     fmt.Println(a, b, c);
 16 }
